64254340

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{47951}}^1$

素因数の和:48027

約数の個数: 24

約数和(自身を含む): 136950912

約数和(自身を除く): 72696572

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 47951, 95902, 191804, 239755, 479510, 959020, 3212717, 6425434, 12850868, 16063585, 32127170, 64254340]

約数ペア:

[(1, 64254340), (2, 32127170), (4, 16063585), (5, 12850868), (10, 6425434), (20, 3212717), (67, 959020), (134, 479510), (268, 239755), (335, 191804), (670, 95902), (1340, 47951)]